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   1  <?php
   2  
   3  namespace Psr\Log;
   4  
   5  /**
   6   * Basic Implementation of LoggerAwareInterface.
   7   */
   8  trait LoggerAwareTrait
   9  {
  10      /**
  11       * The logger instance.
  12       *
  13       * @var LoggerInterface|null
  14       */
  15      protected $logger;
  16  
  17      /**
  18       * Sets a logger.
  19       *
  20       * @param LoggerInterface $logger
  21       */
  22      public function setLogger(LoggerInterface $logger)
  23      {
  24          $this->logger = $logger;
  25      }
  26  }